Hart and Cooley Model 265 Steel Floor Return Air Grille is designed for use in Residential and Light Commercial applications. The all steel construction provides a firm, smooth surface and is easy to install. Featuring a golden sand finish, the steel return floor grille is designed and manufactured to the highest performance standards. The 14" x 24" return grille from Hart & Cooley enables you to install with confidence by delivering exceptional value, aesthetic appeal, and consistent performance. The dimensions listed refer to the area of the diffuser that sits recessed inside of your wall, and for more dimensional information please see the additional drawing images above.